IT1139090B - Sistema per l'eliminazione di segnali fantasma,in campo televisivo,utilizzante un filtro trasversale ad ingressi pessati - Google Patents

Sistema per l'eliminazione di segnali fantasma,in campo televisivo,utilizzante un filtro trasversale ad ingressi pessati

Info

Publication number: IT1139090B
Authority: IT; Italy
Prior art keywords: pessed; elimination; inputs; filter; cross
Prior art date: 1980-05-07

Application number

IT21440/81A

Other languages

English (en)

Italian (it)

Other versions

IT8121440A0 (it

Inventor

Dalton Harold Pritchard

Alfred Christian Schroeder

Original Assignee

Rca Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1980-05-07

Filing date

1981-04-29

Publication date

1986-09-17

1981-04-29 Application filed by Rca Corp filed Critical Rca Corp

1981-04-29 Publication of IT8121440A0 publication Critical patent/IT8121440A0/it

1986-09-17 Application granted granted Critical

1986-09-17 Publication of IT1139090B publication Critical patent/IT1139090B/it

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Picture Signal Circuits (AREA)
Filters That Use Time-Delay Elements (AREA)
Noise Elimination (AREA)

IT21440/81A 1980-05-07 1981-04-29 Sistema per l'eliminazione di segnali fantasma,in campo televisivo,utilizzante un filtro trasversale ad ingressi pessati IT1139090B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/147,629 US4314277A (en)	1980-05-07	1980-05-07	Input-weighted transversal filter TV ghost eliminator

Publications (2)

Publication Number	Publication Date
IT8121440A0 IT8121440A0 (it)	1981-04-29
IT1139090B true IT1139090B (it)	1986-09-17

Family

ID=22522287

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21440/81A IT1139090B (it)	1980-05-07	1981-04-29	Sistema per l'eliminazione di segnali fantasma,in campo televisivo,utilizzante un filtro trasversale ad ingressi pessati

Country Status (10)

Country	Link
US (1)	US4314277A (fi)
JP (1)	JPS574614A (fi)
AT (1)	AT383239B (fi)
AU (1)	AU533476B2 (fi)
DE (1)	DE3118108A1 (fi)
ES (1)	ES8206131A1 (fi)
FI (1)	FI75460C (fi)
FR (1)	FR2482395B1 (fi)
GB (1)	GB2075801B (fi)
IT (1)	IT1139090B (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4458269A (en) *	1980-05-07	1984-07-03	Rca Corporation	Sampling arrangement for a television ghost signal cancellation system
US4395729A (en) *	1981-08-31	1983-07-26	Rca Corporation	Digital video signal processing filters with signal-to-noise enhancement
US4393397A (en) *	1981-10-05	1983-07-12	Rca Corporation	Television ghost signal detector with color burst phase delay control
US4564862A (en) *	1982-08-09	1986-01-14	Edwin Cohen	Ghost signal elimination circuit
US4542475A (en) *	1982-11-23	1985-09-17	Rca Corporation	Sampled data filter system as for a digital TV
US4542408A (en) *	1983-08-31	1985-09-17	Rca Corporation	Digital deghosting system
US4727424A (en) *	1986-10-16	1988-02-23	Rca Corporation	Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system
US5237415A (en) *	1989-04-27	1993-08-17	Victor Company Of Japan, Ltd.	Ghost canceler with adaptive transversal filter
US5532820A (en) *	1990-08-17	1996-07-02	Samsung Electronics Co., Ltd.	Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity
US5117291A (en) *	1990-11-30	1992-05-26	At&T Bell Laboratories	Technique for adjusting signal dispersion cancellation apparatus in communications systems
JPH04266210A (ja) *	1991-02-21	1992-09-22	Toshiba Corp	入力加重型トランスバーサルフィルタ
US5630208A (en) *	1994-07-19	1997-05-13	Trimble Navigation Limited	Adaptive multipath equalization
CA2398057C (en) *	2001-08-15	2011-07-19	Raytheon Company	Combining signal images in accordance with signal-to-noise ratios

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3414819A (en) *	1965-08-27	1968-12-03	Bell Telephone Labor Inc	Digital adaptive equalizer system
GB1429802A (en) *	1972-03-16	1976-03-31	Matsushita Electric Ind Co Ltd	Ghost signal cancellation system
US4044381A (en) *	1974-06-03	1977-08-23	Hitachi, Ltd.	Automatic waveform equalizing system for television receiver
US4127874A (en) *	1976-05-27	1978-11-28	Tokyo Shibaura Electric Co., Ltd.	Apparatus for removing ghost signals from received video signals
JPS52147941A (en) *	1976-06-03	1977-12-08	Toshiba Corp	Electric charge transfer type analog signal memory system
US4091418A (en) *	1977-03-02	1978-05-23	Zenith Radio Corporation	Automatic channel equalization with time base expansion
US4158209A (en) *	1977-08-02	1979-06-12	Rca Corporation	CCD comb filters
JPS54109720A (en) *	1978-02-16	1979-08-28	Toshiba Corp	Ghost signal erasing device
JPS54149549A (en) *	1978-05-17	1979-11-22	Toshiba Corp	Automatic equalizer
JPS54149547A (en) *	1978-05-17	1979-11-22	Toshiba Corp	Transversal filter

1980
- 1980-05-07 US US06/147,629 patent/US4314277A/en not_active Expired - Lifetime
1981
- 1981-04-29 IT IT21440/81A patent/IT1139090B/it active
- 1981-04-30 FI FI811358A patent/FI75460C/fi not_active IP Right Cessation
- 1981-04-30 AU AU70037/81A patent/AU533476B2/en not_active Ceased
- 1981-04-30 ES ES501795A patent/ES8206131A1/es not_active Expired
- 1981-05-01 JP JP6755781A patent/JPS574614A/ja active Granted
- 1981-05-06 GB GB8113833A patent/GB2075801B/en not_active Expired
- 1981-05-06 FR FR8109018A patent/FR2482395B1/fr not_active Expired
- 1981-05-07 AT AT0203481A patent/AT383239B/de not_active IP Right Cessation
- 1981-05-07 DE DE19813118108 patent/DE3118108A1/de active Granted

Also Published As

Publication number	Publication date
AT383239B (de)	1987-06-10
FR2482395A1 (fr)	1981-11-13
DE3118108C2 (fi)	1989-06-29
JPH0223049B2 (fi)	1990-05-22
ES501795A0 (es)	1982-06-16
FI811358L (fi)	1981-11-08
ATA203481A (de)	1986-10-15
AU7003781A (en)	1981-11-12
DE3118108A1 (de)	1982-02-25
JPS574614A (en)	1982-01-11
ES8206131A1 (es)	1982-06-16
FI75460C (fi)	1988-06-09
GB2075801A (en)	1981-11-18
GB2075801B (en)	1984-03-07
IT8121440A0 (it)	1981-04-29
US4314277A (en)	1982-02-02
FI75460B (fi)	1988-02-29
AU533476B2 (en)	1983-11-24
FR2482395B1 (fr)	1985-09-13

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970423